What is the value of $$8\frac{1}{7}+5\frac{3}{7}+4\frac{2}{7}+3\frac{1}{7}$$ ?
Expression : $$8\frac{1}{7}+5\frac{3}{7}+4\frac{2}{7}+3\frac{1}{7}$$Â
= $$(8+5+4+3)+(\frac{1}{7}+\frac{3}{7}+\frac{2}{7}+\frac{1}{7})$$
= $$(20)+(\frac{7}{7})$$
= $$20+1=21$$
=> Ans - (D)
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